SPL REPAIR TO LT OVER HEAD CONDUCTOR TO LT UNDER GROUNG CABLE AND ALLIED WORKS AT OTM AND SPECIAL REPAIRS REPLACEMENT OF AB SWITCH GEARS, INSULATORS AND MISCELLANIOUS WORKS IN CDM SECUNDERABAD UNDER GE UTILITY SECUNDERABAD

Amount

Taking down Unsv AB Switch and Supply and fix 11000 volts triple pole , mechanically operated, mounted on insulator and steel frame, with operating mechanism worked from ground level , for current rating upto 200 amps.

Taking down Unsv and Supply and fix lightning arrestor HT 11 KV 10 KA station class

M & L for maintenence free safe earthing electrode (SEE) designed pipe in pipe technology, set of 3 Nos earth pit duly inter connected with copper earth strip 25 mm x 3 mm, each earth pit having outer pipe of size 76.3mm dia and inner pipe of size 42.4 mm dia, each GI pipe have 3 mtr long duly zinc and alloy coated having zinc coating (80-100) microns to whole length of pipe and alloy coating 250-300 micron to upper 300mm length of pipe, inside filled with crystal conductive compound (CCC) having anti corrosive and conductive properties to provide annular space of earth electrode and external black fill compound two bag of 25 kg mixed with soil all arround the earth pipe for retaining moisture, reduce the soil resistivity and dissipation of fault current, connected to earthing test point including excavation, earth work, PCC pit, RCC cover 50 mm thick, lifting rod 8mm dia, GI protection pipe 40 mm dia light grade for protection of inter connecting earthing strip from mechanical protection and testing on completion, complete all as specified and directed. Make: ASHLOK, Model No : ASEEL-39 ZC & AC

Supply and fixing Copper Strip 20 x 3.15 mm with saddles and fixing screws etc for roof conductors and down conductors above ground to interconnect the earth pit to equipment room Note: (a) Copper sockets and connector bolts nuts washers and drilling holes shall deemed to be included in the unit rate quoteed. (b) Excavation and earth work where ever required shall be carried out in this item only (c) On testing after completion of earthing earth restiance shall be less than 1 Ohm complete all as specified and directed by Engr -in - charge

Supply and fixing of GI pipe 32 mm dia light grade in trenches or on wall complete.

Supply and fixing Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 6mm galva-nised steel wire including PVC casing caping size 10mm width ISI mark for earth continue wire in building complete.

Supply and fixing test point terminal block made of gun metal or phosphorous bronze size 75x75x25 mm drilled and screwed including 3 Nos 8 mm dia 25 mm long hex rod head screwes complete directed by Engineer- in charge

Dismantling and taking out warn out/ U/S existing pin insulator from existing HT O/H Line , supply and fixing of new pin type porcelain , vitreous, white, brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, 150 mm height and 150 mm dia suitable for working pressure 11000 Volts grade complete. Make Rastriya/Jaipuria

Dismantling and taking out warn out/ U/S existing disc insulator , supply and fix of new disc type insulator, porcelain, vitreous, white brown or green, 145mm high, and 225mm dia ball and socket type single disc assembly for tension with tension clamps for conductors, working pressure 11000 volts grade complete. Make Rastriya/Jaipuria

Dismantling and taking out warn out/ U/S existing insulator, S &F post type insulator 12 KV suitable for air break switch / drop out fuse with necessary nuts, bolts , washers complete all as specified . Make Rastriya/Jaipuria

Supply, installing, testing and commissioning, factory made and tested, CPRI approved LT panel board outdoor type, weather, vermin proof, cubical type, platform mounted, suitable for 415 volts, 3 phase 4 wire 50 Hz AC supply system all as specified and directed, with necessary bus bar arrangement with insulated bus bar 400 Amps rating , 4 strips, the panel should be dust proof, IP 54 class protection and made out of 3.15mm thick CRCA mild steel sheet with 50x50x6mm angle iron frame with necessary earth work excavation, hinged doors, front and rear opening and locking arrangement and duly powder coated on the out side and inside, cable glands and lugs for incomming and out going cable etc, independent chamber to accommodate complete all as specified and directed including following accessories :-

Supply, installing, testing and commissioning, factory made and tested, CPRI approved LT panel board outdoor type, weather, vermin proof, cubical type, platform mounted, suitable for 415 volts, 3 phase 4 wire 50 Hz AC supply system all as specified and directed, with necessary bus bar arrangement with insulated bus bar 600 Amps rating , 4 strips, the panel should be dust proof, IP 54 class protection and made out of 3.15mm thick CRCA mild steel sheet with 50x50x6mm angle iron frame with necessary earth work excavation, hinged doors, front and rear opening and locking arrangement and duly powder coated on the out side and inside, cable glands and lugs for incomming and out going cable etc, independent chamber to accommodate complete all as specified and directed including following accessories :-

S&F in repairs Weather proof outdoor bus bar chamber made out of 3mm thick MS sheet comprising 4 Nos aluminium strips each of 300Amps, 60cm long duly insulated mounted on insulators including 160 Amps MCCB with thermal and magnetic release4 No’s mounting legs made out of 25mm x 25mm x 6mm angle iron grouted in PCC block of size 30cm x 30cm x 90cm (30cm depth below ground level and 60cm above ground level) in cement concrete 1:3:6, type C-2 (using 40mm grade crushed stone aggregate), and connections with suitable size of aluminium thimbles, nuts, bolts & washers, cable glands at entry and outlet points and excavation, earth work, returning filling in and removal of surplus soils including taking out old unserviceable bus bar chamber complete all as specified and directed.

Supply, installation connecting electrically commissioning and testing complete outdoor type, as recommended by manufacturer, Automatic Power Factor Correction(APFC) system 7 stage type intel VAr APFC Panel with heavy duty MPPH capacitors and MCCBs as incomer factory made single unit 440 volts, 50 Hz, 3 phase 70 KVAR (2 No X 5 KVAR+ 3 No X 10 KVAR + 2 No X 15 KVAR) including taking down old existing one and comprising with following provisions :-

Excavation in trenches, n exc 1.5 m wide and n exc 1.5 m in depth, for foundation of PCC/Steel pole, laying of cable in trenches etc and getting out in hard / dense soil complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm in soils complete all as specified and directed.

Removing excavated material (soils) n exc. 50m and depositing where directed at a level n exc. 1.5 m above the starting point complete all as specified and directed.

M&L filling approved river sand in trenches for sand cushioning of laying of cables to the full width of excavated trench 8 cm thick before laying the cable and 15 cm above the cable, gently punned down, stretching and testing of cable on transformer yard etc complete all as specified and directed. Note :- Thickness of sand cushion after punning down shall be measured for payment.

M&L brick protection with common burnt brick sub class ‘B’ of size 230x115x75mm for cable protection complete all as directed by Engr-in-charge.

M&L for XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area laid in trenches / duct or fixed to wall / passing through pipe on pole with suitable size cable glands, crimping type cable lugs for stranded aluminium conductor of following sizes complete all as specified and directed :-

4 core 10 sqmm.

4 core 16 sqmm.

3.5 core 25 sqmm.

3.5 core35 sqmm.

3.5 core 70 sqmm.

3.5 core 95 sqmm.

Note : item Nos. 6 (a) to (g): Make : Universal/Havells/Paragon Excavation, earth work, sand cushioning and cable protection items etc shall be measured and paid under respective items of Schedule 'A'.

M&L cutting of road/hard standing upto a size not exceeding 20 cm in width and not exceeding 60 cm in depth for laying of LT UG cable/protection pipe line making good the disturbed portion so as to match existing finishing with PCC 1:2:4 type B1/cement mortar in CM (1:2) complete all as specified and directed

M&L for PCC 1:3:6 type C1 using 20mm graded aggregate set in cement mortar 1:4 as in coping/pedestals of poles including necessary form work complete and applying two coats of white wash to exposed surface of coping/platform complete all as specified and directed.

M&L for PCC 1:3:6 type C2 using 40mm graded aggregate as in foundation, filling and mass concrete for pole / stay / post etc complete all as specified and directed.

Supply & lay Galvanised Iron tubing 40mm bore, light grade in protection of cable at road crossing/hard standing/pole protection fixed with MS clamps of size 40 X 4 mm, nut bolts and washer as per site requirement including taking down old unserviceable pipes complete all as specified and directed.

All as per item No 13 above but GI tubing 50 mm bore.

S&F new generation energy saving and environmental friendly long life versatile pressure die cast aluminum IP66 road way light fitting with high power LED as light source of capacity 70 watts with suitable drivers, 10 KVA in built surge protection etc and connecting with 2.5 sqmm copper PVC insulated three core weather proof cable etc, including taking down old unserviceable street light fitting of any type and capacity complete all as specified and directed. Make:- Havells Cat Part No ENDURAPEARLPLUSSL60WLED757SASYTOPC or equivalent model of Philips/Wipro.

Supply and fix cable junction box thermoplastic body IP 66 , size 225mmx295mmx122mm suitable for helogen free and weather proof for out door installation with metric knockout for cable entry suitable for cable size 16-35 sqmm including clamp complete

M & L earthing complete with galvanised steel earth plate electrode 60cm x 60cm x 6mm thick buried directly in ground earth pit not less than 2.25 mtr deep below normal ground level) with top edge of plate not less than 1.5m below ground level, connecting to the Galvanised iron earth strip 32 x 6mm dia, by means of nuts, bolts, check nuts and washer etc of galvanised iron and earth lead protected by provision of GI pipe medium grade 40mm bore from earth elelctrode to test point incl provn of concrete pit in PCC (1:2:4) type B-1 using 20mm graded stone agagregates with 40mm thick cover of RCC (1:2:4) reinforced with XPM sheet (weight not less than 4Kg/Sqm) and frame of angle iron 25 x 25 x 6mm with lugs 2 Nos and with 8mm dia MS bar handle made to shape, GI pipe medium grade 20mm bore pipe for watering perforated at bottom 1.75 mtr long placed on top edge of earth plate, common salt and charcoal filling test point with fixing arrangement, funnel, wire mesh and earth work in hard/dense soil, returning in and removal of surplus soil to a distance not exceeding 50mtr, complete all as specified in electrical plate No 3 of SSR Part I and connection to earth test point including testing on completion all as directed. Note :- The cost of 7.5m long galvanised iron earth strip of 32 x 6mm size and protection pipe of 40mm bore GI light grade is deemed to be included in quoted unit rate.

Supply, installing, testing and commissioning, factory made and tested, CPRI approved LT panel board outdoor type, weather, vermin proof, cubical type, platform mounted, suitable for 415 volts, 3 phase 4 wire 50 Hz AC supply system all as specified and directed, with necessary bus bar arrangement with insulated bus bar 400 Amps rating , 4 strips, the panel should be dust proof, IP 54 class protection and made out of 3.15mm thick CRCA mild steel sheet with 50x50x6mm angle iron frame with necessary earth work excavation, hinged doors, front and rear opening and locking arrangement and duly powder coated on the out side and inside, cable glands and lugs for incomming and out going cable etc, independent chamber to accommodate complete all as specified and directed including following accessories :-

S&F Weather proof outdoor bus bar chamber made out of 3mm thick MS sheet comprising 4 Nos aluminium strips each of 200Amps, 60cm long duly insulated mounted on insulators including MCCB 160 Amp with 4 No’s mounting legs made out of 25mm x 25mm x 6mm angle iron grouted in PCC block of size 30cm x 30cm x 90cm (30cm depth below ground level and 60cm above ground level) in cement concrete 1:3:6, type C-2 (using 40mm grade crushed stone aggregate), and connections with suitable size of aluminium thimbles, nuts, bolts & washers, cable glands at entry and outlet points and excavation, earth work, returning filling in and removal of surplus soils including taking out old unserviceable bus bar chamber complete all as specified and directed.

S&F Weather proof outdoor bus bar chamber made out of 3mm thick MS sheet comprising 4 Nos aluminium strips each of 200Amps, 60cm long duly insulated mounted on insulators including MCCB 100 Amp with 4 No’s mounting legs made out of 25mm x 25mm x 6mm angle iron grouted in PCC block of size 30cm x 30cm x 90cm (30cm depth below ground level and 60cm above ground level) in cement concrete 1:3:6, type C-2 (using 40mm grade crushed stone aggregate), and connections with suitable size of aluminium thimbles, nuts, bolts & washers, cable glands at entry and outlet points and excavation, earth work, returning filling in and removal of surplus soils including taking out old unserviceable bus bar chamber complete all as specified and directed.

STANDARD AGENCIES

omsai thermax engineers

diesel power services (a.p)

M Laxmana Rao and Sons

Sri Balaji Enterprises

POWER CONSTRUCTION COMPANY

Mavee Syndicate